Erbijsommen tot 20
Erbijsommen
|
1.
14 + 6 =
20
10
|
2.
9 + 7 =
6
16
|
3.
7 + 13 =
1
20
|
4.
9 + 6 =
15
10
|
|
5.
9 + 5 =
16
14
|
6.
17 + 1 =
8
18
|
7.
1 + 14 =
9
15
|
8.
11 + 0 =
1
11
|
|
9.
11 + 5 =
16
9
|
10.
17 + 0 =
17
5
|
11.
5 + 3 =
8
6
|
12.
15 + 1 =
2
16
|
|
13.
20 + 0 =
20
11
|
14.
16 + 4 =
5
20
|
15.
4 + 15 =
11
19
|
16.
19 + 0 =
12
19
|
|
17.
9 + 10 =
13
19
|
18.
3 + 17 =
10
20
|
19.
3 + 1 =
4
5
|
20.
3 + 10 =
2
13
|